Classification
GMAD - Organic geochemistry
14
GMK - Geochemistry of elements, minerals, rocks
7
EFE - Petroleum geology
5
URA - Soil chemistry
5
GHA - Petrology - general
3
GMAC - Isotope geochemistry
3
EFN - Petroleum exploration, natural gas exploration
2
GBC - Paleoclimatology
2
GHH - Sedimentary petrography - general
2
GKK - Geophysics - applications
2
GWBA - Raw material resources, raw material reserves
2
UHN - Landscape ecology
2
EFK - Petroleum deposits, natural gas deposits
1
GAN - Geosciences - mathematical methods, computer applications
1
GBAK - Paleontology
1
GBH - Marine geology
1
GCAA - Regional geology - Germany
1
GDA - Engineering geology - general
1
GFA - Mineralogy - general
1
GHHD - Sedimentary transport, sedimentation
1
GHMA - Clay, shale
1
GMAB - Hydrogeochemistry
1
GMP - Geochemical exploration
1
GTAK - Hydrogeology
1
GWAA - Raw material programs
1
GWB - Raw materials - metals, nonmetals
1
LBLC - Paleontology - biological aspects
1
UCS - Environmental chemistry
1
UVF - Environmental aspects of heavy metals and their compounds
1
UXCD - Radioactive emission by nuclear facilities
1
UXE - Nuclear radiation effects, radiation hazards
1